aboutsummaryrefslogtreecommitdiffstats
path: root/ssl/ssl_asn1.c
diff options
context:
space:
mode:
authorSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
committerSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
commitc4a78426bef17a0a7c81195c2b2399e7441f14ad (patch)
tree596c39f00d5968b1519e8cd7f0546412b14c20f0 /ssl/ssl_asn1.c
parenta0ddfe4e7233d81e88a86217b7653708db2720fa (diff)
downloadsrc-c4a78426bef17a0a7c81195c2b2399e7441f14ad.tar.gz
src-c4a78426bef17a0a7c81195c2b2399e7441f14ad.zip
Flatten OpenSSL vendor tree.
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=182044
Diffstat (limited to 'ssl/ssl_asn1.c')
-rw-r--r--ssl/ssl_asn1.c398
1 files changed, 398 insertions, 0 deletions
diff --git a/ssl/ssl_asn1.c b/ssl/ssl_asn1.c
new file mode 100644
index 000000000000..d129acc32911
--- /dev/null
+++ b/ssl/ssl_asn1.c
@@ -0,0 +1,398 @@
+/* ssl/ssl_asn1.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "ssl_locl.h"
+#include <openssl/asn1_mac.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+
+typedef struct ssl_session_asn1_st
+ {
+ ASN1_INTEGER version;
+ ASN1_INTEGER ssl_version;
+ ASN1_OCTET_STRING cipher;
+ ASN1_OCTET_STRING master_key;
+ ASN1_OCTET_STRING session_id;
+ ASN1_OCTET_STRING session_id_context;
+ ASN1_OCTET_STRING key_arg;
+#ifndef OPENSSL_NO_KRB5
+ ASN1_OCTET_STRING krb5_princ;
+#endif /* OPENSSL_NO_KRB5 */
+ ASN1_INTEGER time;
+ ASN1_INTEGER timeout;
+ ASN1_INTEGER verify_result;
+ } SSL_SESSION_ASN1;
+
+int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
+ {
+#define LSIZE2 (sizeof(long)*2)
+ int v1=0,v2=0,v3=0,v4=0,v5=0;
+ unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
+ unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2];
+ long l;
+ SSL_SESSION_ASN1 a;
+ M_ASN1_I2D_vars(in);
+
+ if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
+ return(0);
+
+ /* Note that I cheat in the following 2 assignments. I know
+ * that if the ASN1_INTEGER passed to ASN1_INTEGER_set
+ * is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed.
+ * This is a bit evil but makes things simple, no dynamic allocation
+ * to clean up :-) */
+ a.version.length=LSIZE2;
+ a.version.type=V_ASN1_INTEGER;
+ a.version.data=ibuf1;
+ ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);
+
+ a.ssl_version.length=LSIZE2;
+ a.ssl_version.type=V_ASN1_INTEGER;
+ a.ssl_version.data=ibuf2;
+ ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);
+
+ a.cipher.type=V_ASN1_OCTET_STRING;
+ a.cipher.data=buf;
+
+ if (in->cipher == NULL)
+ l=in->cipher_id;
+ else
+ l=in->cipher->id;
+ if (in->ssl_version == SSL2_VERSION)
+ {
+ a.cipher.length=3;
+ buf[0]=((unsigned char)(l>>16L))&0xff;
+ buf[1]=((unsigned char)(l>> 8L))&0xff;
+ buf[2]=((unsigned char)(l ))&0xff;
+ }
+ else
+ {
+ a.cipher.length=2;
+ buf[0]=((unsigned char)(l>>8L))&0xff;
+ buf[1]=((unsigned char)(l ))&0xff;
+ }
+
+ a.master_key.length=in->master_key_length;
+ a.master_key.type=V_ASN1_OCTET_STRING;
+ a.master_key.data=in->master_key;
+
+ a.session_id.length=in->session_id_length;
+ a.session_id.type=V_ASN1_OCTET_STRING;
+ a.session_id.data=in->session_id;
+
+ a.session_id_context.length=in->sid_ctx_length;
+ a.session_id_context.type=V_ASN1_OCTET_STRING;
+ a.session_id_context.data=in->sid_ctx;
+
+ a.key_arg.length=in->key_arg_length;
+ a.key_arg.type=V_ASN1_OCTET_STRING;
+ a.key_arg.data=in->key_arg;
+
+#ifndef OPENSSL_NO_KRB5
+ if (in->krb5_client_princ_len)
+ {
+ a.krb5_princ.length=in->krb5_client_princ_len;
+ a.krb5_princ.type=V_ASN1_OCTET_STRING;
+ a.krb5_princ.data=in->krb5_client_princ;
+ }
+#endif /* OPENSSL_NO_KRB5 */
+
+ if (in->time != 0L)
+ {
+ a.time.length=LSIZE2;
+ a.time.type=V_ASN1_INTEGER;
+ a.time.data=ibuf3;
+ ASN1_INTEGER_set(&(a.time),in->time);
+ }
+
+ if (in->timeout != 0L)
+ {
+ a.timeout.length=LSIZE2;
+ a.timeout.type=V_ASN1_INTEGER;
+ a.timeout.data=ibuf4;
+ ASN1_INTEGER_set(&(a.timeout),in->timeout);
+ }
+
+ if (in->verify_result != X509_V_OK)
+ {
+ a.verify_result.length=LSIZE2;
+ a.verify_result.type=V_ASN1_INTEGER;
+ a.verify_result.data=ibuf5;
+ ASN1_INTEGER_set(&a.verify_result,in->verify_result);
+ }
+
+
+ M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
+ M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
+ M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING);
+ M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING);
+ M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING);
+#ifndef OPENSSL_NO_KRB5
+ if (in->krb5_client_princ_len)
+ M_ASN1_I2D_len(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
+#endif /* OPENSSL_NO_KRB5 */
+ if (in->key_arg_length > 0)
+ M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
+ if (in->time != 0L)
+ M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
+ if (in->timeout != 0L)
+ M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
+ if (in->peer != NULL)
+ M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
+ M_ASN1_I2D_len_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,v4);
+ if (in->verify_result != X509_V_OK)
+ M_ASN1_I2D_len_EXP_opt(&(a.verify_result),i2d_ASN1_INTEGER,5,v5);
+
+ M_ASN1_I2D_seq_total();
+
+ M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);
+ M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER);
+ M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING);
+ M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING);
+ M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING);
+#ifndef OPENSSL_NO_KRB5
+ if (in->krb5_client_princ_len)
+ M_ASN1_I2D_put(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
+#endif /* OPENSSL_NO_KRB5 */
+ if (in->key_arg_length > 0)
+ M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
+ if (in->time != 0L)
+ M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
+ if (in->timeout != 0L)
+ M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
+ if (in->peer != NULL)
+ M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
+ M_ASN1_I2D_put_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,
+ v4);
+ if (in->verify_result != X509_V_OK)
+ M_ASN1_I2D_put_EXP_opt(&a.verify_result,i2d_ASN1_INTEGER,5,v5);
+ M_ASN1_I2D_finish();
+ }
+
+SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
+ long length)
+ {
+ int version,ssl_version=0,i;
+ long id;
+ ASN1_INTEGER ai,*aip;
+ ASN1_OCTET_STRING os,*osp;
+ M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);
+
+ aip= &ai;
+ osp= &os;
+
+ M_ASN1_D2I_Init();
+ M_ASN1_D2I_start_sequence();
+
+ ai.data=NULL; ai.length=0;
+ M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
+ version=(int)ASN1_INTEGER_get(aip);
+ if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
+
+ /* we don't care about the version right now :-) */
+ M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
+ ssl_version=(int)ASN1_INTEGER_get(aip);
+ ret->ssl_version=ssl_version;
+ if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
+
+ os.data=NULL; os.length=0;
+ M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
+ if (ssl_version == SSL2_VERSION)
+ {
+ if (os.length != 3)
+ {
+ c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
+ goto err;
+ }
+ id=0x02000000L|
+ ((unsigned long)os.data[0]<<16L)|
+ ((unsigned long)os.data[1]<< 8L)|
+ (unsigned long)os.data[2];
+ }
+ else if ((ssl_version>>8) == SSL3_VERSION_MAJOR)
+ {
+ if (os.length != 2)
+ {
+ c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
+ goto err;
+ }
+ id=0x03000000L|
+ ((unsigned long)os.data[0]<<8L)|
+ (unsigned long)os.data[1];
+ }
+ else
+ {
+ SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNKNOWN_SSL_VERSION);
+ return(NULL);
+ }
+
+ ret->cipher=NULL;
+ ret->cipher_id=id;
+
+ M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
+ if ((ssl_version>>8) == SSL3_VERSION_MAJOR)
+ i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
+ else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */
+ i=SSL2_MAX_SSL_SESSION_ID_LENGTH;
+
+ if (os.length > i)
+ os.length = i;
+ if (os.length > (int)sizeof(ret->session_id)) /* can't happen */
+ os.length = sizeof(ret->session_id);
+
+ ret->session_id_length=os.length;
+ OPENSSL_assert(os.length <= (int)sizeof(ret->session_id));
+ memcpy(ret->session_id,os.data,os.length);
+
+ M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
+ if (ret->master_key_length > SSL_MAX_MASTER_KEY_LENGTH)
+ ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
+ else
+ ret->master_key_length=os.length;
+ memcpy(ret->master_key,os.data,ret->master_key_length);
+
+ os.length=0;
+
+#ifndef OPENSSL_NO_KRB5
+ os.length=0;
+ M_ASN1_D2I_get_opt(osp,d2i_ASN1_OCTET_STRING,V_ASN1_OCTET_STRING);
+ if (os.data)
+ {
+ if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH)
+ ret->krb5_client_princ_len=0;
+ else
+ ret->krb5_client_princ_len=os.length;
+ memcpy(ret->krb5_client_princ,os.data,ret->krb5_client_princ_len);
+ OPENSSL_free(os.data);
+ os.data = NULL;
+ os.length = 0;
+ }
+ else
+ ret->krb5_client_princ_len=0;
+#endif /* OPENSSL_NO_KRB5 */
+
+ M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
+ if (os.length > SSL_MAX_KEY_ARG_LENGTH)
+ ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
+ else
+ ret->key_arg_length=os.length;
+ memcpy(ret->key_arg,os.data,ret->key_arg_length);
+ if (os.data != NULL) OPENSSL_free(os.data);
+
+ ai.length=0;
+ M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
+ if (ai.data != NULL)
+ {
+ ret->time=ASN1_INTEGER_get(aip);
+ OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
+ }
+ else
+ ret->time=(unsigned long)time(NULL);
+
+ ai.length=0;
+ M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
+ if (ai.data != NULL)
+ {
+ ret->timeout=ASN1_INTEGER_get(aip);
+ OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
+ }
+ else
+ ret->timeout=3;
+
+ if (ret->peer != NULL)
+ {
+ X509_free(ret->peer);
+ ret->peer=NULL;
+ }
+ M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);
+
+ os.length=0;
+ os.data=NULL;
+ M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,4);
+
+ if(os.data != NULL)
+ {
+ if (os.length > SSL_MAX_SID_CTX_LENGTH)
+ {
+ ret->sid_ctx_length=os.length;
+ SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_BAD_LENGTH);
+ }
+ else
+ {
+ ret->sid_ctx_length=os.length;
+ memcpy(ret->sid_ctx,os.data,os.length);
+ }
+ OPENSSL_free(os.data); os.data=NULL; os.length=0;
+ }
+ else
+ ret->sid_ctx_length=0;
+
+ ai.length=0;
+ M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,5);
+ if (ai.data != NULL)
+ {
+ ret->verify_result=ASN1_INTEGER_get(aip);
+ OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
+ }
+ else
+ ret->verify_result=X509_V_OK;
+
+ M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
+ }